diff --git a/libc/kernel/uapi/linux/fcntl.h b/libc/kernel/uapi/linux/fcntl.h
index 84f0095..a46726b 100644
--- a/libc/kernel/uapi/linux/fcntl.h
+++ b/libc/kernel/uapi/linux/fcntl.h
@@ -54,6 +54,7 @@
 #define DN_MULTISHOT 0x80000000
 #define AT_FDCWD - 100
 #define AT_SYMLINK_NOFOLLOW 0x100
+#define AT_EACCESS 0x200
 #define AT_REMOVEDIR 0x200
 #define AT_SYMLINK_FOLLOW 0x400
 #define AT_NO_AUTOMOUNT 0x800